src/js/widgets/playerWidget.js
changeset 843 75ba66457232
parent 842 4ae2247a59f4
child 870 2c025db10a10
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/js/widgets/playerWidget.js	Fri Apr 06 16:55:34 2012 +0200
@@ -0,0 +1,284 @@
+/* Internationalization for this widget */
+
+IriSP.i18n.addMessages(
+    {
+        "en": {
+            "play_pause": "Play/Pause",
+            "mute_unmute": "Mute/Unmute",
+            "play": "Play",
+            "pause": "Pause",
+            "mute": "Mute",
+            "unmute": "Unmute",
+            "annotate": "Annotate",
+            "search": "Search",
+            "elapsed_time": "Elapsed time",
+            "total_time": "Total time",
+            "volume": "Volume",
+            "volume_control": "Volume control"
+        },
+        "fr": {
+            "play_pause": "Lecture/Pause",
+            "mute_unmute": "Couper/Activer le son",
+            "play": "Lecture",
+            "pause": "Pause",
+            "mute": "Couper le son",
+            "unmute": "Activer le son",
+            "annotate": "Annoter",
+            "search": "Rechercher",
+            "elapsed_time": "Durée écoulée",
+            "total_time": "Durée totale",
+            "volume": "Niveau sonore",
+            "volume_control": "Réglage du niveau sonore"
+        }
+    }
+);
+
+
+IriSP.PlayerWidget = function(Popcorn, config, Serializer) {
+  IriSP.Widget.call(this, Popcorn, config, Serializer);
+  
+  this._searchBlockOpen = false;
+  this._searchLastValue = "";
+};
+
+IriSP.PlayerWidget.prototype = new IriSP.Widget();
+
+IriSP.PlayerWidget.prototype.draw = function() {
+  var self = this;
+  var width = this.width;
+	var height = this.height;
+	var heightS = this.height-20;
+	  
+	var playerTempl = IriSP.templToHTML(IriSP.player_template, this._config);
+  this.selector.append(playerTempl);		
+	
+  this.selector.children(".Ldt-controler").show();
+    
+  // handle clicks by the user on the video.
+  this._Popcorn.listen("play", IriSP.wrap(this, this.playButtonUpdater));
+  this._Popcorn.listen("pause", IriSP.wrap(this, this.playButtonUpdater));
+  
+  this._Popcorn.listen("volumechange", IriSP.wrap(this, this.volumeUpdater));
+
+  this._Popcorn.listen("timeupdate", IriSP.wrap(this, this.timeDisplayUpdater));  
+  // update the time display for the first time.
+  this._Popcorn.listen("loadedmetadata", IriSP.wrap(this, this.timeDisplayUpdater));
+  
+  this._Popcorn.listen("IriSP.search.matchFound", IriSP.wrap(this, this.searchMatch));
+  this._Popcorn.listen("IriSP.search.noMatchFound", IriSP.wrap(this, this.searchNoMatch));
+  this._Popcorn.listen("IriSP.search.triggeredSearch", IriSP.wrap(this, this.triggeredSearch));
+  
+  
+  this.selector.find(".Ldt-CtrlPlay").click(function() { self.playHandler.call(self); });
+  this.selector.find(".Ldt-CtrlAnnotate").click(function() 
+                                            { self._Popcorn.trigger("IriSP.PlayerWidget.AnnotateButton.clicked"); });
+  this.selector.find(".Ldt-CtrlSearch").click(function() { self.searchButtonHandler.call(self); });
+  
+	var _volctrl = this.selector.find(".Ldt-Ctrl-Volume-Control");
+    this.selector.find('.Ldt-CtrlSound')
+        .click(function() { self.muteHandler.call(self); } )
+        .mouseover(function() {
+            _volctrl.show();
+        })
+        .mouseout(function() {
+            _volctrl.hide();
+        });
+    _volctrl.mouseover(function() {
+        _volctrl.show();
+    }).mouseout(function() {
+        _volctrl.hide();
+    });
+  
+  /*
+  var searchButtonPos = this.selector.find(".Ldt-CtrlSearch").position();
+  var searchBox = Mustache.to_html(IriSP.search_template, {margin_left : searchButtonPos.left + "px"});
+  this.selector.find(".Ldt-CtrlSearch").after(searchBox);
+  */
+  
+  // trigger an IriSP.PlayerWidget.MouseOver to the widgets that are interested (i.e : sliderWidget)
+  this.selector.hover(function() { self._Popcorn.trigger("IriSP.PlayerWidget.MouseOver"); }, 
+                      function() { self._Popcorn.trigger("IriSP.PlayerWidget.MouseOut"); });
+  this.selector.find(".Ldt-Ctrl-Volume-Cursor").draggable({
+      axis: "x",
+      drag: function(event, ui) {
+          var _vol = Math.max(0, Math.min( 1, ui.position.left / (ui.helper.parent().width() - ui.helper.outerWidth())));
+          ui.helper.attr("title",IriSP.i18n.getMessage('volume')+': ' + Math.floor(100*_vol) + '%');
+          self._Popcorn.volume(_vol);
+      },
+      containment: "parent"
+  });
+ 
+ setTimeout(function() {
+     self.volumeUpdater();
+ }, 1000); /* some player - jwplayer notable - save the state of the mute button between sessions */
+};
+
+/* Update the elasped time div */
+IriSP.PlayerWidget.prototype.timeDisplayUpdater = function() {
+  
+  if (this._previousSecond === undefined) {
+    this._previousSecond = this._Popcorn.roundTime();
+  }
+  else {
+    /* we're still in the same second, so it's not necessary to update time */
+    if (this._Popcorn.roundTime() == this._previousSecond)
+      return;
+      
+  }
+  
+  // we get it at each call because it may change.
+  var duration = this.getDuration() / 1000; 
+  var totalTime = IriSP.secondsToTime(duration);
+  var elapsedTime = IriSP.secondsToTime(this._Popcorn.currentTime());
+  
+  this.selector.find(".Ldt-ElapsedTime").html(elapsedTime.toString());
+  this.selector.find(".Ldt-TotalTime").html(totalTime.toString());
+  this._previousSecond = this._Popcorn.roundTime();
+};
+
+/* update the icon of the button - separate function from playHandler
+   because in some cases (for instance, when the user directly clicks on
+   the jwplayer window) we have to change the icon without playing/pausing
+*/
+IriSP.PlayerWidget.prototype.playButtonUpdater = function() {
+  var status = this._Popcorn.media.paused;
+  
+  if ( status == true ){
+    /* the background sprite is changed by adding/removing the correct classes */
+    this.selector.find(".Ldt-CtrlPlay").attr("title", IriSP.i18n.getMessage('play'));
+    this.selector.find(".Ldt-CtrlPlay").removeClass("Ldt-CtrlPlay-PauseState").addClass("Ldt-CtrlPlay-PlayState");
+  } else {
+    this.selector.find(".Ldt-CtrlPlay").attr("title", IriSP.i18n.getMessage('pause'));
+    this.selector.find(".Ldt-CtrlPlay").removeClass("Ldt-CtrlPlay-PlayState").addClass("Ldt-CtrlPlay-PauseState");
+  }  
+
+  return;
+};
+
+
+IriSP.PlayerWidget.prototype.playHandler = function() {
+  var status = this._Popcorn.media.paused;
+  
+  if ( status == true ){        
+    this._Popcorn.play();   
+  } else {
+    this._Popcorn.pause();
+  }  
+};
+
+IriSP.PlayerWidget.prototype.muteHandler = function() {
+  this._Popcorn.mute(!this._Popcorn.muted());
+};
+
+IriSP.PlayerWidget.prototype.volumeUpdater = function() {
+    var _muted = this._Popcorn.muted(),
+        _vol = this._Popcorn.volume();
+    if (_vol === false) {
+        _vol = .5;
+    }
+    var _soundCtl = this.selector.find(".Ldt-CtrlSound");
+    _soundCtl.removeClass("Ldt-CtrlSound-Mute Ldt-CtrlSound-Half Ldt-CtrlSound-Full");
+    if (_muted) {        
+        _soundCtl.attr("title", IriSP.i18n.getMessage('unmute'))
+            .addClass("Ldt-CtrlSound-Mute");    
+    } else {
+        _soundCtl.attr("title", IriSP.i18n.getMessage('mute'))
+            .addClass(_vol < .5 ? "Ldt-CtrlSound-Half" : "Ldt-CtrlSound-Full" )
+    }
+    var _cursor = this.selector.find(".Ldt-Ctrl-Volume-Cursor");
+    _cursor.css({
+        "left": ( _muted ? 0 : Math.floor(_vol * (_cursor.parent().width() - _cursor.outerWidth())) ) + "px"
+    })
+};
+
+IriSP.PlayerWidget.prototype.showSearchBlock = function() {
+  var self = this;
+  
+  if (this._searchBlockOpen == false) {
+    this.selector.find(".LdtSearch").show("blind", { direction: "horizontal"}, 100);
+    this.selector.find(".LdtSearchInput").css('background-color','#fff');
+   
+    this._searchBlockOpen = true;           
+    this.selector.find(".LdtSearchInput").bind('keyup', null, function() { self.searchHandler.call(self); } );
+    this.selector.find(".LdtSearchInput").focus();
+    
+    // we need this variable because some widget can find a match in
+    // their data while at the same time other's don't. As we want the
+    // search field to become green when there's a match, we need a 
+    // variable to remember that we had one.
+    this._positiveMatch = false;
+
+    // tell the world the field is open
+    this._Popcorn.trigger("IriSP.search.open");     
+	}
+};
+
+IriSP.PlayerWidget.prototype.hideSearchBlock = function() {
+ if (this._searchBlockOpen == true) {
+    this._searchLastValue = this.selector.find(".LdtSearchInput").attr('value');
+    this.selector.find(".LdtSearchInput").attr('value','');
+    this.selector.find(".LdtSearch").hide("blind", { direction: "horizontal"}, 75);
+    
+    // unbind the watcher event.
+    this.selector.find(".LdtSearchInput").unbind('keypress set');
+    this._searchBlockOpen = false;
+
+    this._positiveMatch = false;
+    
+    this._Popcorn.trigger("IriSP.search.closed");
+	}
+};
+
+/** react to clicks on the search button */
+IriSP.PlayerWidget.prototype.searchButtonHandler = function() {
+  var self = this;
+
+  /* show the search field if it is not shown */
+  if ( this._searchBlockOpen == false ) {
+    this.showSearchBlock();
+    this.selector.find(".LdtSearchInput").attr('value', this._searchLastValue);      
+    this._Popcorn.trigger("IriSP.search", this._searchLastValue); // trigger the search to make it more natural.
+	} else {
+    this.hideSearchBlock();
+  }
+};
+
+/** this handler is called whenever the content of the search
+   field changes */
+IriSP.PlayerWidget.prototype.searchHandler = function() {
+  this._searchLastValue = this.selector.find(".LdtSearchInput").attr('value');
+  this._positiveMatch = false;
+  
+  // do nothing if the search field is empty, instead of highlighting everything.
+  if (this._searchLastValue == "") {
+    this._Popcorn.trigger("IriSP.search.cleared");
+    this.selector.find(".LdtSearchInput").css('background-color','');
+  } else {
+    this._Popcorn.trigger("IriSP.search", this._searchLastValue);
+  }
+};
+
+/**
+  handler for the IriSP.search.found message, which is sent by some views when they
+  highlight a match.
+*/
+IriSP.PlayerWidget.prototype.searchMatch = function() {
+  this._positiveMatch = true;
+  this.selector.find(".LdtSearchInput").css('background-color','#e1ffe1');
+};
+
+/** the same, except that no value could be found */
+IriSP.PlayerWidget.prototype.searchNoMatch = function() {
+  if (this._positiveMatch !== true)
+    this.selector.find(".LdtSearchInput").css('background-color', "#d62e3a");
+};
+
+/** react to an IriSP.Player.triggeredSearch - that is, when
+    a widget ask the PlayerWidget to do a search on his behalf */
+IriSP.PlayerWidget.prototype.triggeredSearch = function(searchString) {
+  this.showSearchBlock();
+  this.selector.find(".LdtSearchInput").attr('value', searchString);      
+  this._Popcorn.trigger("IriSP.search", searchString); // trigger the search to make it more natural.
+};
+
+